WO2010142664A1 - Champ solaire et procédé d'assemblage du champ solaire - Google Patents

Champ solaire et procédé d'assemblage du champ solaire Download PDF

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Publication number
WO2010142664A1
WO2010142664A1 PCT/EP2010/057980 EP2010057980W WO2010142664A1 WO 2010142664 A1 WO2010142664 A1 WO 2010142664A1 EP 2010057980 W EP2010057980 W EP 2010057980W WO 2010142664 A1 WO2010142664 A1 WO 2010142664A1
Authority
WO
WIPO (PCT)
Prior art keywords
solar
radiation
absorber
tube
unit
Prior art date
Application number
PCT/EP2010/057980
Other languages
English (en)
Inventor
Ori Gil
Shmulik Klapwald
Naim Levi
Yigal Sharon
Original Assignee
Siemens Concentrated Solar Power Ltd.
Siemens Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Concentrated Solar Power Ltd., Siemens Aktiengesellschaft filed Critical Siemens Concentrated Solar Power Ltd.
Priority to AU2010257517A priority Critical patent/AU2010257517A1/en
Priority to US13/376,482 priority patent/US20120174910A1/en
Priority to EP20100724814 priority patent/EP2440857A1/fr
Priority to MA34417A priority patent/MA33337B1/fr
Priority to BRPI1012974-0A priority patent/BRPI1012974A2/pt
Priority to CN2010800254417A priority patent/CN102803862A/zh
Publication of WO2010142664A1 publication Critical patent/WO2010142664A1/fr
Priority to IL216389A priority patent/IL216389A0/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/74—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with trough-shaped or cylindro-parabolic reflective surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
    • F24S40/90—Arrangements for testing solar heat collectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S2023/87—Reflectors layout
    • F24S2023/874—Reflectors formed by assemblies of adjacent similar reflective facets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S2025/01—Special support components; Methods of use
    • F24S2025/014—Methods for installing support elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making
    • Y10T29/49355—Solar energy device making

Definitions

  • This invention relates to a solar field and a method for assembling the solar field.
  • One type of solar power plant comprises a solar field which utilizes a "radiation concentrator collector” which concentrates the solar radiation by focusing it onto a smaller area, e.g., using mirrored surfaces or lenses.
  • a reflector which is typically parabolic, receives and reflects (focuses) incoming solar radiation onto a radiation absorber, which is formed as a tube.
  • the tube radiation absorber is concentrically surrounded by a treated glass enclosure tube to limit the loss of heat.
  • the collector system further includes means to track the sun.
  • the tube radiation absorber is made of metal with a coating having a high solar radiation absorption coefficient to maximize the energy transfer imparted by the solar radiation reflecting off the reflector.
  • a heat transfer medium e.g. heat transfer fluid (HTF) , which is typically a liquid such as oil, flows within the tube radiation absorber.
  • HTF heat transfer fluid
  • the thermal energy is transported by the HTF to provide energy to, e.g., a thermal-electric power plant to drive one or more power-generation systems thereof, in order to generate electricity in a conventional way, e.g., by coupling the axle of each of the turbines to an electric generator.
  • a thermal-electric power plant is a steam-electric power plant, which uses thermal energy provided thereto to produce steam to drive turbines thereof, which in turn drive a generator, thus generating electricity.
  • the HTF flows within a tube, which is partially constituted by the tube radiation absorber.
  • the entire length of the tube should be designed so as to limit thermal losses therefrom.
  • it is surrounded by a tube or pipe of a larger diameter, with the space therebetween being evacuated in order to limit heat loss due to convection.
  • a further object of the invention is a solar field which can be cheaper manufactured with respect to solar fields of the state of the art.
  • a method for automatically assembling a solar field comprising following steps: a) Providing at least one solar collector unit with a radiation concentrator collector comprising a radiation absorber with an absorber tube for a flow-through of a heat transfer medium and a parabolic mirror for focusing solar radiation onto the absorber tube of the radiation absorber for heating up the heat transfer medium flowing through the absorber tube; b) Transporting the solar unit to a target location of the solar field; and c) Assembling the solar unit on the target location of the solar field.
  • the providing the solar unit comprises a manufacturing of the solar unit. The location of the manufacturing differs from the location of usage of the solar unit.
  • a solar collector unit having a tube support for supporting the absorber tube and/or having a reflector support for supporting the parabolic mirror and/or having a mirror tracker for tracking the parabolic mirror based on the beaming direction of the radiation of the sunlight.
  • a checking of the solar collector unit is carried out before the transporting the solar unit to the target location.
  • the checking the solar collector unit includes preferably a measuring of at least one characteristic of the absorber tube and/or a measuring of at least one characteristic of the parabolic mirror. E.g. such characteristics are the absorptivity of the absorber tube for sunlight or a reflectivity of the parabolic mirror for the sunlight.
  • a testing of the solar units is executed before they are installed. By this cost can be saved due to that fact that just tested solar units are used for the solar field.
  • a plurality of solar collector units are provided and assembled together at the target location of the solar field. Especially all of the solar units of a solar field are manufactured and tested before the solar field is built up with them.
  • transport vehicle for the transporting the solar collector unit
  • the vehicles are designed such that the solar units can be supported in a save way.
  • a solar field with a plurality of prefabricated solar collector units is provided.
  • the solar collector unit are assembled together, wherein each of the solar units comprises a radiation concentrator collector comprising a radiation absorber with an absorber tube for a flow-through of a heat transfer medium and a parabolic mirror for focusing solar radiation onto the absorber tube of the radiation absorber for heating up the heat transfer medium flowing through the absorber tube.
  • Fig. 1 is a perspective view of a typical solar concentrator as part of a solar thermal power plant
  • Fig. 2 is a cross-sectional view of the heat collecting element (HCE) taken along line II II in Fig. 1 ;
  • a solar concentrator 100 built up by a plurality of solar collector units.
  • the solar concentrator 100 is part of a solar thermal power plant (not illustrated) and comprises a reflecting surface of a mirror 102, which may comprise a plurality of light concentration devices (LCDs) 104.
  • the reflecting surface 102 extend linearly and/or along a curved path dozens of meters, and has a parabolic cross-section.
  • the mirror is a parabolic mirror.
  • a tracking mechanism (tracker, not illustrated) is provided in order to ensure that the reflecting surface 102 faces the sun, thereby concentrating solar radiation impinging thereupon toward it geometric focus.
  • a heat collection element (HCE, absorber tube of the radiation absorber) 106 is provided along the focus of the parabola of the reflecting surface 102, thus receiving the concentrated solar radiation.
  • the HCE 106 comprises a tube radiation absorber (TRA) 110 through which a thermal fluid flows, surrounded by a glass tube 112 along its length.
  • This tube is called UVAC (Universal Vacuum Air Collector) .
  • a thermal fluid which is used to heat a working fluid in a separate loop to drive a power-generation cycle, flows within the TRA. The thermal fluid is heated by the concentrated solar radiation.
  • the space between the TRA 110 and the glass tube 112 is evacuated in order to minimize heat loss due to cooling of the thermal fluid within the TRA by convection.
  • Each end of the glass tube 112 may be enclosed by flexible external shield member (not illustrated) .
  • HCE support posts (absorber supports) 108 are provided, e.g., at regular intervals along the length of the HCE, to maintain the position of the HCE 106 at or near the focus of the parabola of the reflecting surface 102. They are designed to pivot about a bottom end thereof, in the direction along which the HCE extends.
  • the solar collector unit (solar field basic component) is approximately 12 meters long and 5.7 meters wide and consists of a main torque tube, a reflector support, and reflectors. For example eight solar collector units are assembled together to form a solar collector assembly (SCA) .
  • Metal base columns are based on a concrete foundation and holding the parabolic mirrors.
  • a drive pylon is where the hydraulic system is located in order to rotate the solar complete collector assembly according to the sun's movement. All electrical & communications panels are mounted on these pylons .
  • the solar field as a part of a complete power plant can be assembled automatically.
  • the parabolic mirrors (parabolas) and the triple UVACs will be assembled at the site, i.e., at the Portable Assembly Building (PAB) , and will be dispatched to the Solar Field, to be installed according to a construction plan.
  • the construction plan defines a dispatch of the other components of the solar field as well (pylons, crossover- pipes, ball joints, risers) so as to coordinate the timing of their arrival to their location in the solar field and their installation.
  • the parabolas delivered at the outlet of the PAB will be transported to the solar field on a specially designed parabola carrying cart (transport vehicle) .
  • the SCA is includes metal parts manufactured in standard process of steel structure.
  • the driving system is installed in an assembly line.
  • the final station includes a set of tests to inspect and run a solar collector unit, to ensure the required performance of the solar collector unit.
  • the line includes special equipment that has been developed for mounting the parabola components.
  • a measurement station inspects the final parabola accuracy.
  • a special gripper developed to transfer the parabola from the line to the wagon and later to lift it onto the SCA.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Photovoltaic Devices (AREA)

Abstract

L'invention concerne un procédé permettant d'assembler automatiquement un champ solaire, le procédé comprenant les étapes consistant : a) à pourvoir au moins une unité capteur solaire (100) d'un capteur de concentrateur de rayonnement comprenant un absorbeur de rayonnement doté d'un tube absorbeur (106) permettant l'écoulement d'un milieu caloporteur, et un miroir parabolique (102) pour focaliser le rayonnement solaire sur le tube absorbeur de l'absorbeur de rayonnement afin de chauffer le milieu caloporteur s'écoulant à travers le tube absorbeur; b) à transporter l'unité solaire jusqu'à un emplacement cible du champ solaire; et c) à assembler l'unité solaire sur l'emplacement cible du champ solaire. L'invention concerne également un champ solaire pourvu d'une pluralité d'unités capteurs solaires préfabriquées.
PCT/EP2010/057980 2009-06-08 2010-06-08 Champ solaire et procédé d'assemblage du champ solaire WO2010142664A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AU2010257517A AU2010257517A1 (en) 2009-06-08 2010-06-08 Solar field and method for assembling the solar field
US13/376,482 US20120174910A1 (en) 2009-06-08 2010-06-08 Solar field and method for assembling the solar field
EP20100724814 EP2440857A1 (fr) 2009-06-08 2010-06-08 Champ solaire et procédé d'assemblage du champ solaire
MA34417A MA33337B1 (fr) 2009-06-08 2010-06-08 Champ solaire et procédé d'assemblage du champ solaire
BRPI1012974-0A BRPI1012974A2 (pt) 2009-06-08 2010-06-08 campo solar e metodo para montar o campo solar
CN2010800254417A CN102803862A (zh) 2009-06-08 2010-06-08 太阳能场和组装太阳能场的方法
IL216389A IL216389A0 (en) 2009-06-08 2011-11-16 Solar field and method for assembling the solar field

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US18508409P 2009-06-08 2009-06-08
US61/185,084 2009-06-08

Publications (1)

Publication Number Publication Date
WO2010142664A1 true WO2010142664A1 (fr) 2010-12-16

Family

ID=42944550

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/057980 WO2010142664A1 (fr) 2009-06-08 2010-06-08 Champ solaire et procédé d'assemblage du champ solaire

Country Status (9)

Country Link
US (1) US20120174910A1 (fr)
EP (1) EP2440857A1 (fr)
CN (1) CN102803862A (fr)
AU (1) AU2010257517A1 (fr)
BR (1) BRPI1012974A2 (fr)
CL (1) CL2011003045A1 (fr)
IL (1) IL216389A0 (fr)
MA (1) MA33337B1 (fr)
WO (1) WO2010142664A1 (fr)

Cited By (1)

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WO2015155625A1 (fr) * 2014-04-10 2015-10-15 Gazzelli Mauro Récipient pour la stérilisation d'objets et système de stérilisation comprenant ledit récipient

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US9126290B2 (en) * 2009-06-24 2015-09-08 David Buttress Method for joining solar receiver tubes

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
WO2015155625A1 (fr) * 2014-04-10 2015-10-15 Gazzelli Mauro Récipient pour la stérilisation d'objets et système de stérilisation comprenant ledit récipient
US10660982B2 (en) 2014-04-10 2020-05-26 Gratzup Corp. Container for sterilising objects and sterilising system comprising said container

Also Published As

Publication number Publication date
IL216389A0 (en) 2012-01-31
US20120174910A1 (en) 2012-07-12
MA33337B1 (fr) 2012-06-01
AU2010257517A1 (en) 2011-12-15
CL2011003045A1 (es) 2012-04-20
EP2440857A1 (fr) 2012-04-18
CN102803862A (zh) 2012-11-28
BRPI1012974A2 (pt) 2018-01-16

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